/Engine/Plugins/Interchange/Runtime/Source/Nodes/Public/InterchangeAnimationTrackSetNode.h
Get the animation start time. Return false if the attribute is not set.
[UFUNCTION](Programming/UnrealArchitecture/Reference/Functions)(BlueprintCallable, Category="Interchange | Node | SkeletalAnimationTrack") bool GetCustomAnimationStartTime ( double & StartTime ) const